PIC16LF1776-E/SO - 8-Bit MCU, 14KB Flash, 32MHz, 28-SOIC | Microchip
MPN: PIC16LF1776-E/SO ✓ فعالPIC16LF1776-E/SO نمای کلی
A PIC® microcontroller is a compact, self-contained computer-on-a-chip built around an 8-bit Harvard RISC core. Within the broader semiconductor hierarchy, the PIC16 sits below 16-bit dsPIC®/PIC24 and 32-bit PIC32 devices. PIC microcontrollers integrate Flash program memory, SRAM, EEPROM, I/O, and peripherals (ADC, timers, PWM, communications, analog) onto a single die, providing deterministic real-time control with low BOM cost.
Key features include 14 KB (8K × 14) Flash, 1 KB SRAM, 10-bit DAC, integrated op-amps, high-speed comparators, zero-cross detect (ZCD), programmable ramp generator (PRG), 100 mA high-current I/Os, Peripheral Pin Select (PPS), 10/16-bit PWMs, and SPI/I2C/EUSART. XLP technology delivers nanoWatt sleep currents, making the device attractive for always-on applications.
The PIC16LF1776 uses the enhanced mid-range 8-bit core with hardware multiply, 14-bit instruction word, and a vectored interrupt controller. PPS allows nearly every digital peripheral to be routed to multiple pins, simplifying PCB layout. Internal analog peripherals reduce external component count and BOM cost.
Typical applications include LED lighting and dimming, switch-mode power supplies, battery chargers, motor control, and general-purpose mixed-signal embedded products. Designers select this part when integrating analog functions (DAC, op-amps, comparators, PRG, ZCD) saves board space and lowers BOM cost.
When designing, configure PPS carefully before code freeze because pin remapping after layout forces board rework. For low-power operation, use XLP sleep modes with the on-chip LFINTOSC and verify the actual current in your application firmware.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
جایگزین‌های drop-in برای PIC16LF1776-E/SO — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC16LF1776-E/SO (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Core, Package, Program Memory (Flash), RoHS Status, DAC.
PIC16F1776-E/SO
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC16LF1777-E/SO
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC16LF1773-E/SO
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC16LF1768-E/SO
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC16LF1718-E/SO
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC16LF1776-E/SO حداکثر مقادیر مجاز و مشخصات الکتریکی
| Manufacturer | Microchip Technology |
| Series | PIC® XLP™ 16F |
| Core | 8-bit PIC enhanced mid-range |
| Program Memory Size | 14 KB (8K x 14) Flash |
| RAM Size | 1 KB |
| CPU Frequency | 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V (LF family) |
| بسته‌بندی | 28-SOIC (300 mil) |
| DAC | 10-bit |
| Integrated Op-Amps | Yes |
| Comparators | High-speed comparators |
| Zero-Cross Detect (ZCD) | Yes |
| Programmable Ramp Generator (PRG) | Yes |
| High-Current I/O | 100 mA I/Os |
| Peripheral Pin Select (PPS) | Yes |
| PWM | 10/16-bit |
| Communications | SPI, I2C, EUSART |
| دمای کاری | -40C to +125C |
| نوع نصب | Surface Mount |
| وضعیت RoHS | Compliant |
پیکربندی پین PIC16LF1776-E/SO
| پین 1 | RA0 — Bidirectional I/O with analog and PPS capability |
| پین 2 | RA1 — Bidirectional I/O with analog and PPS capability |
| پین 3 | RA2 — Bidirectional I/O with analog and PPS capability |
| پین 4 | RA3 — Bidirectional I/O with analog and PPS capability |
| پین 5 | RA4 — Bidirectional I/O with analog and PPS capability |
| پین 6 | RA5 — Bidirectional I/O with analog and PPS capability |
| پین 7 | RA6 — Bidirectional I/O with analog and PPS capability |
| پین 8 | RA7 — Bidirectional I/O with analog and PPS capability |
| پین 9 | VSS — Ground reference |
| پین 10 | RB0 — Bidirectional I/O with PPS and interrupt-on-change |
| پین 11 | RB1 — Bidirectional I/O with PPS and interrupt-on-change |
| پین 12 | RB2 — Bidirectional I/O with PPS and interrupt-on-change |
| پین 13 | RB3 — Bidirectional I/O with PPS and interrupt-on-change |
| پین 14 | RB4 — Bidirectional I/O with PPS and interrupt-on-change |
| پین 15 | RB5 — Bidirectional I/O with PPS and interrupt-on-change |
| پین 16 | RB6 — Bidirectional I/O with PPS and ICD clock |
| پین 17 | RB7 — Bidirectional I/O with PPS and ICD data |
| پین 18 | VSS — Ground reference (or second VSS pin depending on die rev) |
| پین 19 | VDD — Positive supply (1.8-3.6 V for LF variant) |
| پین 20 | VPP/RE3 — Programming voltage / MCLR alternate |
| پین 21 | RC0 — Bidirectional I/O with analog and PPS capability |
| پین 22 | RC1 — Bidirectional I/O with analog and PPS capability |
| پین 23 | RC2 — Bidirectional I/O with analog and PPS capability |
| پین 24 | RC3 — Bidirectional I/O with analog and PPS capability |
| پین 25 | RC4 — Bidirectional I/O with analog and PPS capability |
| پین 26 | RC5 — Bidirectional I/O with analog and PPS capability |
| پین 27 | RC6 — Bidirectional I/O with analog and PPS capability |
| پین 28 | RC7 — Bidirectional I/O with analog and PPS capability |
کاربردهای معمول
PIC16LF1776-E/SO مناسب است برای 6 کاربردs: LED Lighting and Dimming, Switch-Mode Power Supplies (SMPS), Battery Charging and Management, Motor Control and BLDC Drivers, Industrial Sensing and Signal Conditioning, General-Purpose Mixed-Signal Embedded Control.
LED Lighting and Dimming
The PIC16LF1776-E/SO is ideal for LED lighting and dimming systems that require smooth analog-controlled current regulation. Its integrated 10-bit DAC, operational amplifiers, high-speed comparators, and zero-cross detect (ZCD) enable TRIAC dimming interfaces without external trigger circuits. The 16-bit PWM delivers fine-grained dimming resolution down to 0.0015% duty cycle, while PPS lets designers route PWM outputs to any I/O pin for multi-channel fixtures. The 1.8-3.6 V operating range supports battery-powered portable lighting, and XLP nanoWatt sleep modes extend battery life for emergency and ambient lighting.
پیشنهادی
Switch-Mode Power Supplies (SMPS)
The PIC16LF1776-E/SO is well suited for digital control of switch-mode power supplies, where its high-speed comparators provide hardware-cycle-by-cycle current limiting and the programmable ramp generator (PRG) implements slope compensation for peak current-mode control. The 16-bit PWM with dead-band control drives synchronous rectifier half-bridges directly. With 32 MHz CPU and 8 MIPS throughput, control loops execute at sub-microsecond intervals for high-bandwidth regulation. The 1.8-3.6 V operation suits auxiliary-side controllers; pair with the PIC16F1776-E/SO for primary-side 5 V designs.
پیشنهادی
Battery Charging and Management
For battery-charging designs, the PIC16LF1776-E/SO combines the 10-bit DAC, op-amps, and ZCD to implement CC/CV charging profiles with AC-line synchronization. The 32 MHz core executes MPPT or charge-state-machine firmware in real time, while the XLP technology minimizes quiescent current to extend standby life on the battery. 100 mA high-current I/Os can drive LEDs, relays, or power-path MOSFETs directly, eliminating gate drivers in low-current branches. The 28-SOIC footprint fits compact charger modules for 1- and 2-cell Li-ion packs.
پیشنهادی
Motor Control and BLDC Drivers
The PIC16LF1776-E/SO supports sensorless BLDC motor control with its high-speed comparators for back-EMF zero-crossing detection, 16-bit PWM with complementary outputs and dead-band, and PPS for flexible commutation-table pin mapping. The 32 MHz CPU runs field-oriented control (FOC) or trapezoidal commutation firmware with sub-100 µs loop times. The 100 mA I/Os can drive small gate-driver inputs directly for low-voltage fans, pumps, and appliances. For higher-voltage systems, the PIC16F1776-E/SO offers 5 V-tolerant I/O.
پیشنهادی
Industrial Sensing and Signal Conditioning
For industrial sensor interfaces, the PIC16LF1776-E/SO integrates precision analog building blocks: op-amps for signal amplification, the 10-bit DAC for excitation sources, and high-speed comparators for threshold detection. The PIC16LF1776's enhanced mid-range core runs at 8 MIPS for fast sampling, and PPS simplifies PCB routing on crowded boards. EUSART and I2C peripherals connect to industrial sensors, while the 28-SOIC package supports ruggedized temperature grades (-40C to +125C) for factory automation and process control.
پیشنهادی
General-Purpose Mixed-Signal Embedded Control
The PIC16LF1776-E/SO is widely used for general-purpose mixed-signal products that combine user I/O, analog functions, and serial communication. The integrated op-amps, comparators, 10-bit DAC, ZCD, PRG, 16-bit PWM, and PPS allow designers to consolidate multiple discrete ICs into one. SPI/I2C/EUSART support displays, sensors, and external peripherals, while 14 KB Flash and 1 KB SRAM fit state-machine plus user-interface firmware. This part is popular for HVAC controls, smart appliances, and IoT edge nodes.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC16LF1776-E/SO — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC16F1776-E/SO | PIC16LF1777-E/SO | PIC16LF1773-E/SO | PIC16LF1768-E/SO | PIC16LF1718-E/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 14 KB | 14 KB | 28 KB | 7 KB | 7 KB | 28 KB |
| RAM | 1 KB | 1 KB | 2 KB | 512 B | 512 B | 1 KB |
| Operating Voltage | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| 10-bit DAC | Yes | Yes | Yes | Yes | Yes | No |
| Zero-Cross Detect (ZCD) | Yes | Yes | Yes | Yes | No | No |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes | Yes | Yes |
| Automotive Grade (Q1/-40C to +125C) | Yes (-E suffix, extended temp) | Yes | Yes | Yes | Yes | Yes |
تفاوت‌های کلیدی
- Full PIC16LF177X intelligent-analog integration (DAC + op-amps + ZCD + PRG) (در مقابلPIC16LF1718-E/SO)
- Low-voltage (1.8 V) operation (در مقابلPIC16F1776-E/SO)
- Balanced 14 KB Flash / 1 KB RAM for mixed-signal firmware (در مقابلPIC16LF1773-E/SO)
- PPS flexibility across more pins (در مقابلPIC16LF1768-E/SO)
یادداشت‌های طراحی
Route the ICSPDAT/ICSPCLK pins (RB6/RB7) directly to a 6-pin or 10-pin header compatible with Microchip's PICkit or ICD headers. The MCLR/VPP line (pin 20) must include a 10 kΩ pull-up to VDD for normal operation, plus a TVS diode to ground for ESD protection. Decoupling: place a 100 nF ceramic capacitor within 5 mm of each VDD/VSS pair; add a 10 µF bulk capacitor near the device. Avoid long traces on the HFINTOSC crystal-less clock - keep oscillator traces short and shielded with a ground guard ring if precision timing is required.
Estimated power consumption: at 32 MHz active with all peripherals enabled, core current is approximately 8 mA from a 3.3 V supply (~26 mW). In XLP sleep mode with WDT disabled, quiescent current drops below 1 µA. For battery-powered designs, use the IDLE and DOZE modes plus LFINTOSC (31 kHz) for idle periods to maximize runtime. According to Microchip's XLP datasheet section, the PIC16LF1776's nanoWatt technology provides several sleep modes with RTC-driven wake for IoT edge nodes.
PPS must be configured BEFORE enabling peripherals, and the lock bits must be set after final pin mapping to prevent runaway firmware from changing I/O assignments. Watch the LVP (low-voltage programming) vs HVPP (high-voltage programming) configuration bit - using an incorrect programming mode will lock the device. The MCLR pin is shared with VPP for programming; a weak pull-up or slow rising edge can trigger unintended resets. Always check the configuration word settings in the IDE before programming production units, especially BOR (brown-out reset) and WDT (watchdog timer) settings.
Estimated junction temperature: at -40°C to +125°C ambient range, the 28-SOIC package has theta_JA of approximately 70°C/W (still-air, no copper pour). At maximum active current of 8 mA from 3.6 V, dissipation is ~29 mW, giving a self-heating rise of only ~2°C above ambient - thermal management is not a concern for this MCU. The 100 mA high-current I/O pins are the dominant source of heating if multiple outputs are heavily loaded; verify total power dissipation against PCB thermal dissipation.
اطلاعات انطباق
RoHS and REACH compliance per Microchip product page. The -E temperature grade is extended industrial (-40C to +125C). Not AEC-Q100 qualified in this suffix - check PIC16F1776-E/SO with automotive suffix for AEC-Q100 options. Halogen-free status not explicitly stated in the verified web data; set to unknown.
